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The human body hosts a diverse community of bacteria, collectively known as the microbiome, primarily residing in the gut, skin, mouth, and other mucosal surfaces. Key bacterial genera include Bacteroides, Firmicutes, and Lactobacillus, which play crucial roles in digestion, immune function, and protection against pathogens. These bacteria contribute to metabolic processes, synthesize vitamins, and help maintain overall health. The balance of these microbial populations is essential, as disruptions can lead to various health issues.

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2w ago

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